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Table 3 Measures for preventing tail biting outbreaks after observed tail wounds in Swedish pig farms, reported by farmers

From: A survey of straw use and tail biting in Swedish pig farms rearing undocked pigs

  Nursery units n = 21 Finishing pig units n = 38
Addition of extra manipulable material or “toys” 5 5
Checking ventilation/feeding system 5 7
Increasing of straw ration 6 11
Nothing 1 2
Other 4 0
Separation of biter 12 20
Separation of bitten pigs 6 14
  1. n is number of farmers answering the question
  2. Only farmers that had observed tail biting on their farm (23 nursery and 38 finishing pig units) could answer the questions about causes for tail biting outbreaks. Each farmer could give several causes for tail biting outbreaks, which is why the number of causes could exceed the number of respondents